Encapsulation as a response of Azospirillum brasilense sp7 to zinc stress

Encapsulation as a response of Azospirillum brasilense sp7 to zinc stress

Azospirillum brasilense sp7 was exposed to 2MM Zn(2+) in minimal medium upon which the cells turned black and non-motile within 24 h. A streptomycin-resistant variant did not exhibit this phenomenon and is sensitized to zinc. A prelude to encystation was the elution of a melanin-like pigment into th...

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Veröffentlicht in:World journal of microbiology & biotechnology 1996-07, Vol.12 (4), p.319-322
Hauptverfasser: Mangala Gowri, P, Srivastava, S
Format: Artikel
Sprache:eng
Schlagworte:
Azospirillum brasilense
Biological and medical sciences
Biology of microorganisms of confirmed or potential industrial interest
Biotechnology
Fundamental and applied biological sciences. Psychology
Miscellaneous
Mission oriented research
soil biology
soil science
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Zusammenfassung:Azospirillum brasilense sp7 was exposed to 2MM Zn(2+) in minimal medium upon which the cells turned black and non-motile within 24 h. A streptomycin-resistant variant did not exhibit this phenomenon and is sensitized to zinc. A prelude to encystation was the elution of a melanin-like pigment into the medium.
ISSN:0959-3993
1573-0972
DOI:10.1007/bf00340207